<template>
    <div>
        <div class="crumbs">
            <el-breadcrumb separator="/">
                <el-breadcrumb-item>
                    <i class="el-icon-lx-cascades"></i> 基础表格
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="container">
            <div class="handle-box">
                <el-button
                    @click="delAllSelection"
                    class="handle-del mr10"
                    icon="fa fa-trash-o"
                    type="primary"
                >批量删除
                </el-button>
                <el-select class="handle-select mr10" placeholder="地址" v-model="query.address">
                    <el-option key="1" label="广东省" value="广东省"></el-option>
                    <el-option key="2" label="湖南省" value="湖南省"></el-option>
                </el-select>
                <el-input class="handle-input mr10" placeholder="用户名" v-model="query.name"></el-input>
                <el-button @click="handleSearch" icon="el-icon-search" type="primary">搜索</el-button>
            </div>
            <el-table
                :data="tableData"
                @selection-change="handleSelectionChange"
                border
                class="table"
                header-cell-class-name="table-header"
                ref="multipleTable"
            >
                <el-table-column align="center" type="selection" width="55"></el-table-column>
                <el-table-column align="center" label="ID" prop="id" width="55"></el-table-column>
                <el-table-column label="用户名" prop="name"></el-table-column>
                <el-table-column label="账户余额">
                    <template slot-scope="scope">￥{{scope.row.money}}</template>
                </el-table-column>
                <el-table-column align="center" label="头像(查看大图)">
                    <template slot-scope="scope">
                        <el-image
                            :preview-src-list="[scope.row.thumb]"
                            :src="scope.row.thumb"
                            class="table-td-thumb"
                        ></el-image>
                    </template>
                </el-table-column>
                <el-table-column label="地址" prop="address"></el-table-column>
                <el-table-column align="center" label="状态">
                    <template slot-scope="scope">
                        <el-tag
                            :type="scope.row.state==='成功'?'success':(scope.row.state==='失败'?'danger':'')"
                        >{{scope.row.state}}
                        </el-tag>
                    </template>
                </el-table-column>
                
                <el-table-column label="注册时间" prop="date"></el-table-column>
                <el-table-column align="center" label="操作" width="180">
                    <template slot-scope="scope">
                        <el-button
                            @click="handleEdit(scope.$index, scope.row)"
                            icon="fa fa-pencil"
                            type="text"
                        >编辑
                        </el-button>
                        <el-button
                            @click="handleDelete(scope.$index, scope.row)"
                            class="red"
                            icon="fa fa-trash-o"
                            type="text"
                        >删除
                        </el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="pageTotal"
                    @current-change="handlePageChange"
                    background
                    layout="total, prev, pager, next"
                ></el-pagination>
            </div>
        </div>
        
        <!-- 编辑弹出框 -->
        <el-dialog :visible.sync="editVisible" title="编辑" width="30%">
            <el-form :model="form" label-width="70px" ref="form">
                <el-form-item label="用户名">
                    <el-input v-model="form.name"></el-input>
                </el-form-item>
                <el-form-item label="地址">
                    <el-input v-model="form.address"></el-input>
                </el-form-item>
            </el-form>
            <span class="dialog-footer" slot="footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button @click="saveEdit" type="primary" v-btnLoading>确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
	import {fetchData} from '../../api/index';
	
	export default {
		name: 'basetable',
		data () {
			return {
				query: {
					address: '',
					name: '',
					pageIndex: 1,
					pageSize: 10
				},
				tableData: [],
				multipleSelection: [],
				delList: [],
				editVisible: false,
				pageTotal: 0,
				form: {},
				idx: - 1,
				id: - 1
			};
		},
		created () {
			this.getData();
		},
		methods: {
			// 获取 easy-mock 的模拟数据
			getData () {
				fetchData(this.query).then(res => {
					console.log(res);
					this.tableData = res.list;
					this.pageTotal = res.pageTotal || 50;
				});
			},
			// 触发搜索按钮
			handleSearch () {
				this.$set(this.query, 'pageIndex', 1);
				this.getData();
			},
			// 删除操作
			handleDelete (index, row) {
				// 二次确认删除
				this.$confirm('确定要删除吗？', '提示', {
					type: 'warning'
				})
						.then(() => {
							this.$message.success('删除成功');
							this.tableData.splice(index, 1);
						})
						.catch(() => {
						});
			},
			// 多选操作
			handleSelectionChange (val) {
				this.multipleSelection = val;
			},
			delAllSelection () {
				const length = this.multipleSelection.length;
				let str = '';
				this.delList = this.delList.concat(this.multipleSelection);
				for (let i = 0; i < length; i ++) {
					str += this.multipleSelection[i].name + ' ';
				}
				this.$message.error(`删除了${str}`);
				this.multipleSelection = [];
			},
			// 编辑操作
			handleEdit (index, row) {
				this.idx = index;
				this.form = row;
				this.editVisible = true;
			},
			// 保存编辑
			saveEdit () {
				this.editVisible = false;
				this.$message.success(`修改第 ${this.idx + 1} 行成功`);
				this.$set(this.tableData, this.idx, this.form);
			},
			// 分页导航
			handlePageChange (val) {
				this.$set(this.query, 'pageIndex', val);
				this.getData();
			}
		}
	};
</script>

<style scoped>
    .handle-box {
        margin-bottom: 20px;
    }
    
    .handle-select {
        width: 120px;
    }
    
    .handle-input {
        width: 300px;
        display: inline-block;
    }
    
    .table {
        width: 100%;
        font-size: 14px;
    }
    
    .red {
        color: #ff0000;
    }
    
    .mr10 {
        margin-right: 10px;
    }
    
    .table-td-thumb {
        display: block;
        margin: auto;
        width: 40px;
        height: 40px;
    }
</style>
